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ACPI: Video: Increase buffer size for writes to brightness proc file. 

In order to be able to write the value "100"
to /proc/acpi/video/.../brightness, we have to allocate 5 bytes:
4 characters will be written (1, 0, 0 plus null byte),
and 1 byte should be buffer for a terminating NULL character.

http://bugzilla.kernel.org/show_bug.cgi?id=9278

Signed-off-by: Danny Baumann <dannybaumann@web.de>
Acked-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Danny Baumann 2007-11-02 13:47:53 +01:00 committed by Len Brown
parent a4f0c2767e
commit c88c5786d3
1 changed files with 1 additions and 1 deletions
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2
drivers/acpi/video.c
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@ -897,7 +897,7 @@ acpi_video_device_write_brightness(struct file *file,
{
struct seq_file *m = file->private_data;
struct acpi_video_device *dev = m->private;
char str[4] = { 0 };
char str[5] = { 0 };
unsigned int level = 0;
int i;